59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
"use strict";
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const validate = require("jest-validate").validate;
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const deprecatedConfig = require("./deprecated");
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const defaults = {
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rangeStart: 0,
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rangeEnd: Infinity,
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useTabs: false,
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tabWidth: 2,
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printWidth: 80,
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singleQuote: false,
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trailingComma: "none",
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bracketSpacing: true,
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jsxBracketSameLine: false,
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parser: "babylon",
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semi: true
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};
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const exampleConfig = Object.assign({}, defaults, {
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filename: "testFilename",
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printWidth: 80,
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originalText: "text"
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});
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// Copy options and fill in default values.
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function normalize(options) {
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const normalized = Object.assign({}, options || {});
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if (typeof normalized.trailingComma === "boolean") {
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// Support a deprecated boolean type for the trailing comma config
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// for a few versions. This code can be removed later.
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normalized.trailingComma = "es5";
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console.warn(
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"Warning: `trailingComma` without any argument is deprecated. " +
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'Specify "none", "es5", or "all".'
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);
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}
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validate(normalized, { exampleConfig, deprecatedConfig });
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// For backward compatibility. Deprecated in 0.0.10
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if ("useFlowParser" in normalized) {
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normalized.parser = normalized.useFlowParser ? "flow" : "babylon";
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delete normalized.useFlowParser;
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}
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Object.keys(defaults).forEach(k => {
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if (normalized[k] == null) {
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normalized[k] = defaults[k];
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}
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});
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return normalized;
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}
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module.exports = { normalize };
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